The chemical remedies comprise refrigerants, antacids, antalkalies, and escharotics.

2765. Refrigerants are medicines given for the purpose of suppressing an unnatural heat of the body. They are Seville oranges, lemons, tamarinds, nitre, and cream of tartar.

2766. Seville oranges, and sweet oranges are formed into a refrigerant beverage, which is extremely grateful in febrile diseases.

The rind is a nice mild tonic; car minative, and stomachic.

Dose of the tincture, from one to four drachms; of the infusion, from one to two ounces.

2767. Lemons are used to form a re-frigerant beverage, which is given to quench thirst in febrile and inflammatory diseases. Lemon-juice is given with carbonate of potash (half an ounce of the juice to twenty grains of the salt), and taken, while effervescing, allays vomiting; a table-spoonful, taken occasionally, allays hysterical palpitations of the heart. It is useful in scurvy caused by eating too much salt food.

The rind forms a nice mild tonic and stomachic in certain forms of dyspepsia.

Dose of the infusion (made the same as orange-peel), from one to two ounces.